Connection and disconnection transients for micro-grids under unbalance load condition
作者： F. Blaabjerg , I. Candela , Gustavo M. S. Azevedo , J. Rocabert , P. Rodriguez
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摘要: The recent grid integration of Distributed Energy Resources (DER) possibility the formation intentional islands in case a fault conditions. For such island is required an active agent capable governing micro-grid connection state safe mode, especially and disconnection transients. This paper focuses on design method oriented to carry out stable disconnection, later re-connection, local grids from main distribution way; also under unbalance load condition. Seamless transfer between grid-connected isolated mode has been achieved alpha-beta stationary reference frame with frequency based synchronization control loop. Simulation experimental results are provided verify proper performance proposed solution.
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